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Skin & cosmetic

Matrixyl (Palmitoyl Pentapeptide-4)

Also known as: Palmitoyl Pentapeptide-4 · Pal-KTTKS

A topical cosmetic peptide studied for collagen-related skin appearance.

Matrixyl (Palmitoyl Pentapeptide-4) at a glance

NameMatrixyl (Palmitoyl Pentapeptide-4)
Also known asPalmitoyl Pentapeptide-4, Pal-KTTKS
CategorySkin & cosmetic
TypePeptide
SequencePalmitoylated pentapeptide (palmitoyl-Lys-Thr-Thr-Lys-Ser).
Typical doseOften formulated around 3-8% of a matrix concentrate in leave-on products
FrequencyTypically applied once or twice daily
RouteTopical
Half-lifeNot typically characterized for topical cosmetic use.

Overview

Matrixyl is a lipidated pentapeptide used in leave-on skincare. It is marketed to support the appearance of firmer, smoother skin. The palmitoyl chain is intended to aid skin penetration. It is a cosmetic ingredient, not a medical therapy.

How it’s thought to work

  • Proposed to signal fibroblasts to support collagen-related activity.
  • The palmitoyl group is intended to improve delivery through the skin barrier.
  • Acts as a cosmetic conditioning agent at the skin surface.

Researched uses

  • Appearance of fine lines and skin firmness
  • Cosmetic anti-aging serums and moisturizers
  • Formulations targeting skin texture

Commonly cited protocol

Typical doseOften formulated around 3-8% of a matrix concentrate in leave-on products
FrequencyTypically applied once or twice daily
RouteTopical
NotesBlended into serums or creams; not used by injection.

Reconstitution

Not applicable - this is a topical cosmetic ingredient, so injection unit math does not apply.

Cautions

  • A cosmetic ingredient, not a medical treatment.
  • Clinical evidence is limited and often manufacturer-sponsored.
  • May cause irritation in sensitive skin; patch testing is common.

Matrixyl (Palmitoyl Pentapeptide-4) FAQ

What is Matrixyl (Palmitoyl Pentapeptide-4)?

A topical cosmetic peptide studied for collagen-related skin appearance.

How does Matrixyl (Palmitoyl Pentapeptide-4) work?

Proposed to signal fibroblasts to support collagen-related activity. The palmitoyl group is intended to improve delivery through the skin barrier. Acts as a cosmetic conditioning agent at the skin surface.

What is Matrixyl (Palmitoyl Pentapeptide-4) used for?

Appearance of fine lines and skin firmness; Cosmetic anti-aging serums and moisturizers; Formulations targeting skin texture.

What is a typical Matrixyl (Palmitoyl Pentapeptide-4) dose?

Often formulated around 3-8% of a matrix concentrate in leave-on products, Typically applied once or twice daily, Topical. This is a commonly cited figure for context only, not medical advice.

How do you reconstitute Matrixyl (Palmitoyl Pentapeptide-4)?

Not applicable - this is a topical cosmetic ingredient, so injection unit math does not apply.

What is the half-life of Matrixyl (Palmitoyl Pentapeptide-4)?

Not typically characterized for topical cosmetic use.

Related skin & cosmetic peptides

⚠️ Educational reference only — not medical advice. These compounds are largely research chemicals not approved for human use in most countries. Nothing here is a recommendation to obtain or administer any substance. Consult a qualified clinician.